What is CVE-2020-23719?

CVE-2020-23719 is a critical-severity vulnerability in Zibbs Project, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2021-11-02.

How severe is CVE-2020-23719?

Critical severity. CVSS v3 base score is 9.6 out of 10.

XSS in Zibbs Project

CVE-2020-23719

Cross site scripting (XSS) vulnerability in application/controllers/AdminController.php in xujinliang zibbs 1.0, allows attackers to execute arbitrary code via the bbsmeta parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-11-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (70.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Zibbs Project — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/xujinliang/zibbs/issues/5 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-23719?: CVE-2020-23719 is a critical-severity vulnerability in Zibbs Project, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2021-11-02.
How severe is CVE-2020-23719?: Critical severity. CVSS v3 base score is 9.6 out of 10.